Condenser HVAC: Service and Repair

64 53 551 - Removing and installing/replacing condenser for A/C system





Warning!
Risk of injury!
Refrigerant circuit is under high pressure!
Follow safety instructions for handling R 134a refrigerant Instructions for Handling Refrigerant R 134a.
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant oil Instructions for Handling Refrigerant Oil (for Refrigerant R 134a).





Important!
Risk of damage!
Restart engine only when A/C system has been correctly filled.
Follow instructions Removal and Replacement for opening and replacing parts in refrigerant circuit!
If A/C system is opened for more than 24 hours: Replace desiccant insert for A/C system Replacing Desiccant Insert For A/C System





Necessary preliminary tasks:
- Drawing off, evacuating and filling the A/C system Drawing off, Evacuating and Filling A/C System (R 134a) are not included in the time value given for this work operation





Important!
Do not place front panel center section (2) on jump start terminals.
Do not kink Bowden cables for engine hood locking.

Release screws (1).

Remove front panel center section (2) in direction of arrow and place to one side.





Release screws (1).
Remove radiator cover (2) in direction of arrow.





Release screws (1).

Installation Note:
Tightening torque 64 53 6AZ. [1][2]Expansion Valve

Remove refrigerant lines (2) in direction of arrow and place to one side.

Installation Note:
Replace all sealing rings and moisten with refrigerant oil (cf. Electronic Parts Catalog).

Pull out condenser for A/C system (3) in direction of arrow.





After installation:
- Evacuate and fill A/C system Drawing off, Evacuating and Filling A/C System (R 134a)